* Initial Release (0.4) -- Current scope as defined in the mocks
  * Milestone 1 (0.5) -- Theme: Learning Features
  * Milestone 2 (0.6) -- Theme: ECommerce
  * Milestone 3 (0.7) -- Theme: Social and Collaboration
  * Milestone 4 (0.8) -- Theme: Customizing
  * Milestone 5 (0.9) -- Theme: Performance, Stability and Scalability
  * Perpetual Beta (1.0)